how many seconds do we have in a day

There are 86,400 seconds in a day. Here's the calculation:

• 1 minute = 60 seconds
• 1 hour = 60 minutes = 60 × 60 = 3,600 seconds
• 1 day = 24 hours = 24 × 3,600 = 86,400 seconds

So, 86,400 seconds in one day.